New vscode-js-debug plugin
New vscode-js-debug plugin

In order to properly hit breakpoints with the new `vscode-js-debug` plugin, the option `resolveSourceMapLocations` needs to be set to `null` so it can resolve sourcemaps outside of the workspace location. Otherwise the transpiled js files will be used. 

See question in: https://github.com/microsoft/vscode-js-debug/issues/1105
alexeagle/rules_nodejs,bazelbuild/rules_nodejs,bazelbuild/rules_nodejs,alexeagle/rules_nodejs,bazelbuild/rules_nodejs,alexeagle/rules_nodejs,bazelbuild/rules_nodejs,alexeagle/rules_nodejs,bazelbuild/rules_nodejs